3a6k

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Template:STRUCTURE 3a6k

Contents

The E122Q mutant creatininase, Mn-Zn type

Template:ABSTRACT PUBMED 20043918

Function

[CRNA_PSEPU] Cyclic amidohydrolase that catalyzes the reversible conversion of creatinine to creatine. Is also active toward glycocyamidine, though the reaction rate is very low, but it is completely inert toward hydantoin and its derivatives.[1]

About this Structure

3a6k is a 6 chain structure with sequence from "bacillus_fluorescens_putidus"_flugge_1886 "bacillus fluorescens putidus" flugge 1886. Full crystallographic information is available from OCA.

Reference

  • Yamashita K, Nakajima Y, Matsushita H, Nishiya Y, Yamazawa R, Wu YF, Matsubara F, Oyama H, Ito K, Yoshimoto T. Substitution of Glu122 by glutamine revealed the function of the second water molecule as a proton donor in the binuclear metal enzyme creatininase. J Mol Biol. 2010 Mar 5;396(4):1081-96. Epub 2010 Jan 4. PMID:20043918 doi:10.1016/j.jmb.2009.12.045
  1. ↑ Rikitake K, Oka I, Ando M, Yoshimoto T, Tsuru D. Creatinine amidohydrolase (creatininase) from Pseudomonas putida. Purification and some properties. J Biochem. 1979 Oct;86(4):1109-17. PMID:500580

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